(19)

(11)

EP 1 121 804 A1

(12)

(43) Date of publication: 08.08.2001 Bulletin 2001/32 (21) Application number: 99968756.9 (22) Date of filing: 08.09.1999

(51) International Patent Classification (IPC)7: H04N 7/10 (86) International application number: PCT/US9920/747 (87) International publication number: WO 0014/962 (16.03.2000 Gazette 2000/11)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.09.1998 US 149194 08.09.1999 US 391558 (71) Applicant: Asvan Technology, LLC. Greenwood Village, CO 80155 (US)	(72) Inventors: BASAWAPATNA, Ganesh Greenwood Village, CO 80111 (US) BASAWAPATNA, Varalakshmi Greenwood Village, CO 80111 (US) (74) Representative: Patentanwälte ,Ruff, Wilhelm, Beier, Dauster & Partner  Willy-Brandt-Strasse 28 70173 Stuttgart 70173 Stuttgart (DE)